Table 4
Keplerian elements of the S-cluster objects we analyzed using ERIS.
| Source | a [mpc] | e | i [°] | ω [°] | Ω [°] | tclosest [years] | TP [years] |
|---|---|---|---|---|---|---|---|
| G2/DSO - old | 17.23 ± 0.20 | 0.963 ± 0.004 | 120.32 ± 2.40 | 92.81 ± 1.60 | 63.02 ± 1.37 | 2014.43 ± 0.01 | 105.90 |
| G2/DSO - new | 17.25 ± 0.10 | 0.965 ± 0.002 | 121.03 ± 1.71 | 93.85 ± 2.01 | 63.59 ± 1.94 | 2014.43 ± 0.01 | 106.10 |
| D9 - old | 44.00 ± 1.145 | 0.32 ± 0.01 | 102.55 ± 1.14 | 127.19 ± 8.02 | 257.25 ± 1.71 | 2309.13 ± 7.01 | 432.23 |
| D9 - new | 43.69 ± 0.040 | 0.31 ± 0.01 | 103.13 ± 0.45 | 136.36 ± 4.18 | 257.54 ± 4.75 | 2321.70 ± 0.01 | 427.67 |
| X7 - old | 149.99 ± 0.36 | 0.76 ± 0.05 | 74.82 ± 7.84 | 190.22 ± 17.47 | 25.15 ± 10.77 | 1975.85 ± 0.30 | 2720.42 |
| X7 - new | 149.98 ± 0.18 | 0.76 ± 0.03 | 74.48 ± 6.87 | 189.07 ± 10.88 | 25.21 ± 12.60 | 1975.86 ± 0.01 | 2720.15 |
Notes. The row with old is related to the data baseline that ends with the decommissioned instrument SINFONI in 2019 and refers to the published orbital solutions in Peißker et al. (2024c). The Keplerian elements that are indicated with new include the ERIS data that were obtained until 2024. The uncertainties for the new estimated Keplerian approximations were adapted from the MCMC simulations shown in the appendix.
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